Give the name of the enzyme that will most likely catalyze each of the following reactions:                                                                             O                                                                                      CH3 – CH2 – OH +     NAD+       →       CH3 – C – H      +     NADH     +     H+             Ans. ___________________________________________     CH3 – C – COOH +     R – CH – COOH      →     CH3 – CH – COOH     +     R – C – COOH                         O                              NH2                                    NH2                             O                         HO – C – CH – CH2 – C – OH →     HO – C – CH = CH – C – OH      +     H2O             O     OH            O                              O                    O             CO2 +  CH3 – C – C – OH   +   ATP      →    HO – C – CH2 – C – C – OH    +    ADP     +   Pi                          O    O                                           O             O    O                          CHO                                             CHO              HO – C – H                                      H – C – OH               HO – C – H                                   HO – C – H                H – C – OH                                  H – C – OH                H – C – OH                                    H – C – OH                     CH2OH                                           CH2OH                     Ans. ___________________________________________   The following reactions are encountered in the metabolic cycles. Give the main class of enzymes that catalyzes these reactions.    glucose +  pyruvate  →  α-ketoglutarate  +  alanine                ________________________________ lactate +  NAD+  →  pyruvate  +   NADH  +  H+                      ________________________________ D-ribulose-5-phosphate →  D-xylulose-5-phosphate                 ________________________________ fructose-1-phosphate →  fructose-6-phosphate                       ________________________________ glucose +  ATP  →  glucose-6-phosphate  +  ADP                    ________________________________ starch +  HOH  →  α-D-glucose                                                         ________________________________ acetyl CoA +  oxaloacetate  →  citric acid                               ________________________________ pyruvate +  CO2  +  ATP  →  oxaloacetate  +  ADP  +  Pi         ________________________________ creatine +  ATP  →  phosphocreatine  +  ADP             ________________________________ alanine → propanoic acid  +  NH3                                         ________________________________ ala-gly-val → ala  +  gly  +  val                                           ________________________________ acetylcholine ester → choline  +  acetic acid                          ________________________________ triglyceride → 3 fatty acids  +  glycerol                                 ________________________________ deoxyribose + bases (A, G, C, T)  + Pi  →  DNA                    ________________________________ glyceraldehyde-3-phosphate ↔ dihydroxyacetone phosphate ________________________________

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Give the name of the enzyme that will most likely catalyze each of the following reactions:

  

                                                                         O                                                                                     

  1. CH3 – CH2 – OH +     NAD+       →       CH3 – C – H      +     NADH     +     H+

            Ans. ___________________________________________

 

 

  1. CH3 – C – COOH +     R – CH – COOH      →     CH3 – CH – COOH     +     R – C – COOH          

              O                              NH2                                    NH2                             O              

         

  1. HO – C – CH – CH2 – C – OH →     HO – C – CH = CH – C – OH      +     H2O

            O     OH            O                              O                    O

           

  1. CO2 +  CH3 – C – C – OH   +   ATP      →    HO – C – CH2 – C – C – OH    +    ADP     +   Pi

                         O    O                                           O             O    O

         

  1.                CHO                                             CHO

             HO – C – H                                      H – C – OH 

             HO – C – H                                   HO – C – H

               H – C – OH                                  H – C – OH

               H – C – OH                                    H – C – OH

                    CH2OH                                           CH2OH        

            Ans. ___________________________________________

 

  1. The following reactions are encountered in the metabolic cycles. Give the main class of enzymes that catalyzes these reactions. 

 

  1. glucose +  pyruvate  →  α-ketoglutarate  +  alanine                ________________________________
  2. lactate +  NAD+  →  pyruvate  +   NADH  +  H+                      ________________________________
  3. D-ribulose-5-phosphate →  D-xylulose-5-phosphate                 ________________________________
  4. fructose-1-phosphate →  fructose-6-phosphate                       ________________________________
  5. glucose +  ATP  →  glucose-6-phosphate  +  ADP                    ________________________________
  6. starch +  HOH  →  α-D-glucose                                                         ________________________________
  7. acetyl CoA +  oxaloacetate  →  citric acid                               ________________________________
  8. pyruvate +  CO2  +  ATP  →  oxaloacetate  +  ADP  +  Pi         ________________________________
  9. creatine +  ATP  →  phosphocreatine  +  ADP             ________________________________
  10. alanine → propanoic acid  +  NH3                                         ________________________________
  11. ala-gly-val → ala  +  gly  +  val                                           ________________________________
  12. acetylcholine ester → choline  +  acetic acid                          ________________________________
  13. triglyceride → 3 fatty acids  +  glycerol                                 ________________________________
  14. deoxyribose + bases (A, G, C, T)  + Pi  →  DNA                    ________________________________
  15. glyceraldehyde-3-phosphate ↔ dihydroxyacetone phosphate ________________________________